/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.remoting.transport.socket.socketpool;
import java.lang.reflect.Field;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import javax.management.MBeanServer;
import junit.framework.TestCase;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.jboss.remoting.Client;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.ServerInvocationHandler;
import org.jboss.remoting.ServerInvoker;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import org.jboss.remoting.transport.PortUtil;
import org.jboss.remoting.transport.socket.MicroSocketClientInvoker;
/**
* Unit test for JBREM-
*
* @author <a href="ron.sigal@jboss.com">Ron Sigal</a>
* @version $Revision: 2707 $
* <p>
* Copyright Jul 11, 2007
* </p>
*/
public class ConnectionPoolClearanceTestCase extends TestCase
{
private static Logger log = Logger.getLogger(ConnectionPoolClearanceTestCase.class);
private static boolean firstTime = true;
// remoting server connector
private Connector connector;
private InvokerLocator serverLocator;
private TestInvocationHandler invocationHandler;
/**
* Sets up target remoting server.
*/
public void setUp() throws Exception
{
if (firstTime)
{
firstTime = false;
Logger.getLogger("org.jboss.remoting").setLevel(Level.INFO);
Logger.getLogger("org.jboss.test.remoting").setLevel(Level.INFO);
String pattern = "[%d{ABSOLUTE}] [%t] %5p (%F:%L) - %m%n";
PatternLayout layout = new PatternLayout(pattern);
ConsoleAppender consoleAppender = new ConsoleAppender(layout);
Logger.getRootLogger().addAppender(consoleAppender);
}
}
public void tearDown()
{
}
/**
* Tests blocking and nonblocking direct calls to Client.getCallbacks().
*/
public void testMultipleClientConnectionPools() throws Throwable
{
log.info("entering " + getName());
// Start server.
String host = InetAddress.getLocalHost().getHostAddress();
int port = PortUtil.findFreePort(host);
String locatorURI = getTransport() + "://" + host + ":" + port;
serverLocator = new InvokerLocator(locatorURI);
log.info("Starting remoting server with locator uri of: " + locatorURI);
HashMap config = new HashMap();
config.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraServerConfig(config);
connector = new Connector(serverLocator, config);
connector.create();
invocationHandler = new TestInvocationHandler();
connector.addInvocationHandler("sample", invocationHandler);
connector.start();
// Create clients.
InvokerLocator clientLocator1 = new InvokerLocator(locatorURI + "/?timeout=1000");
HashMap clientConfig = new HashMap();
clientConfig.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraClientConfig(clientConfig);
Client client1 = new Client(clientLocator1, clientConfig);
client1.connect();
log.info("client 1 is connected");
InvokerLocator clientLocator2 = new InvokerLocator(locatorURI + "/?timeout=2000");
Client client2 = new Client(clientLocator2, clientConfig);
client2.connect();
log.info("client 2 is connected");
// Test connections.
assertEquals("abc", client1.invoke("abc"));
assertEquals("xyz", client2.invoke("xyz"));
log.info("connections are good");
// Verify there are two connection pools.
Field field = MicroSocketClientInvoker.class.getDeclaredField("connectionPools");
field.setAccessible(true);
Map connectionPools = (Map) field.get(null);
MicroSocketClientInvoker invoker = (MicroSocketClientInvoker) client1.getInvoker();
assertEquals(2, connectionPools.size());
// Verify client invoker 2's pool has one connection.
field = MicroSocketClientInvoker.class.getDeclaredField("pool");
field.setAccessible(true);
LinkedList pool = (LinkedList) field.get(client2.getInvoker());
assertEquals(1, pool.size());
// Verify both connection pools are eliminated if one client disconnects.
client1.disconnect();
assertEquals(0, connectionPools.size());
// Verify client invoker 2's pool is now empty.
assertEquals(0, pool.size());
// Verify client invoker 2's pool gets a new connection with an invocation.
client2.invoke("def");
assertEquals(1, pool.size());
// Verify client invoker 2's pool is cleared when client 2 disconnects.
client2.disconnect();
assertEquals(0, pool.size());
connector.stop();
log.info(getName() + " PASSES");
}
protected String getTransport()
{
return "socket";
}
protected void addExtraClientConfig(Map config) {}
protected void addExtraServerConfig(Map config) {}
static class TestInvocationHandler implements ServerInvocationHandler
{
public void addListener(InvokerCallbackHandler callbackHandler) {}
public Object invoke(final InvocationRequest invocation) throws Throwable
{
return invocation.getParameter();
}
public void removeListener(InvokerCallbackHandler callbackHandler) {}
public void setMBeanServer(MBeanServer server) {}
public void setInvoker(ServerInvoker invoker) {}
}
}